-
Preface
With the development of communication technology, standardized baseband-RF interface has attracted more and more attention from manufacturers. In recent years, CPRI, OBSAI, and TDRI interface...[Details]
-
Recently, Jiwei.com has counted the number of mobile phone and semiconductor companies that have successfully passed IPOs in 2020. According to incomplete statistics, from January to December, a tota...[Details]
-
Solution: The period of a 50HZ square wave is 20ms. A timer can be used to generate a 10ms timing. By changing the level of P1.0 every 10ms, a 50HZ square wave can be obtained. At this time, timer T0...[Details]
-
PIC Microcontroller PIC microcontroller series is a product of Microship in the United States. It is divided into three levels, namely basic, intermediate and advanced. It is one of the microcontroll...[Details]
-
1. Interrupt handling process
The interrupt processing flow of the ARM system is shown in Figure 1. There are five main interrupts in the system: timer interrupt, serial port input interrupt, seria...[Details]
-
Tianyancha App shows that Tencent Technology (Shenzhen) Co., Ltd. recently applied to register the WECHAT CLOUD trademark. The international classification involves website services, communication se...[Details]
-
Introduction to I2C The I2C bus is a simple, bidirectional, two-wire synchronous serial bus developed by Philips. It only requires two wires to transmit information between devices connected to t...[Details]
-
The three major A-share indices showed divergent trends today, with the Shanghai Composite Index down 0.03%, the Shenzhen Component Index up 1.22%, and the ChiNext Index up 1.20%. Market trading volu...[Details]
-
Zhang Feng, Xie Yunxiang, Hu Yanshen, Chen Gang, and Wang Xuemei, researchers from the School of Electrical Engineering of South China University of Technology and Shenzhen Maoshuo Electric Co., Lt...[Details]
-
Here, Huijiajie mainly uses the JGLDJ split electromagnetic flowmeter as an example to illustrate that the electromagnetic flowmeter will fail during operation after initial debugging and normal ope...[Details]
-
The calculation formula of variable frequency speed regulation includes the following aspects:
1. Frequency: The frequency of the inverter output can be calculated as follows:
Output freq...[Details]
-
Selection of the working mode of the switching power supply: In the switching power supply circuit, there are four basic types: single-ended flyback, single-ended forward, half-bridge and full-br...[Details]
-
With the development of economy and the progress of society, people have put forward higher and higher requirements for energy, and finding new energy has become an urgent issue facing mankind. There ...[Details]
-
Charge pumps, also known as switched capacitor voltage converters, are DC-DC converters that use so-called "fast" or "pumping" capacitors (rather than inductors or transformers) to store energy. Th...[Details]
-
The working principle and circuit structure of a pure sine wave inverter power supply with single-phase voltage amplitude continuously adjustable based on SM2001 are proposed. The experimental ...[Details]